MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8537960d22e43a1359947a8199f1bb3b09a567f61404178108485d6c22e979e2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 17 File information Comments

SHA256 hash: 8537960d22e43a1359947a8199f1bb3b09a567f61404178108485d6c22e979e2
SHA3-384 hash: 158cc76bd99c2a6e939b1fe202566c7fdfd4c9d5a670b3acd3f1dd12eec8ae925c0dcea81de061cd86e812d6efe0ceb4
SHA1 hash: 3aeeee8f2a8de9b731c778f10938a690597bb028
MD5 hash: a90f7aef8adb9075797b230e2ee8dee6
humanhash: single-thirteen-robin-carolina
File name:ub8ehJSePAfc9FYqZIT6.x86
Download: download sample
Signature Mirai
File size:70'740 bytes
First seen:2025-11-28 19:25:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ltWizyAPQQsTb6vF7lOvZOWsIyq3XkZSY0:ltFyAJsn6NJOvwfIyqs0
TLSH T16F633BC9F983D4B6E857093010BBAF639DB3DABE3168DA43C3A855369D12503F416E6C
telfhash t1432137f76e1e48f8f3d49840c39eaa851a2ad677086136a445b2cdc036e7dd194bdc39
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 42fa9a87529f017dc06ef6a084cec601cede2c04a7a05f4e9c517e0bdc0713e0
File size (compressed) :34'896 bytes
File size (de-compressed) :70'740 bytes
Format:linux/i386
Packed file: 42fa9a87529f017dc06ef6a084cec601cede2c04a7a05f4e9c517e0bdc0713e0

Intelligence


File Origin
# of uploads :
1
# of downloads :
34
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Connection attempt
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
45
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822436 Sample: ub8ehJSePAfc9FYqZIT6.x86.elf Startdate: 28/11/2025 Architecture: LINUX Score: 72 20 103.77.241.17, 3778, 54000, 54002 X4B-AS-APX4BDDoSProtectedAnnouncementsAU India 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 ub8ehJSePAfc9FYqZIT6.x86.elf 2->8         started        signatures3 process4 process5 10 ub8ehJSePAfc9FYqZIT6.x86.elf 8->10         started        12 ub8ehJSePAfc9FYqZIT6.x86.elf 8->12         started        14 ub8ehJSePAfc9FYqZIT6.x86.elf 8->14         started        process6 16 ub8ehJSePAfc9FYqZIT6.x86.elf 10->16         started        18 ub8ehJSePAfc9FYqZIT6.x86.elf 10->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-28 19:26:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 8537960d22e43a1359947a8199f1bb3b09a567f61404178108485d6c22e979e2

(this sample)

  
Delivery method
Distributed via web download

Comments